XGY   Grimsby Mountain, ON Weather Observed At   43-11  N    79-34  W

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2026-06-22	1:15pm			Max		Min
Weather		----
Temperature		14.5 °C		17.7 °C	1:14am	14.3 °C	7:54am
Relative Humidity		91 %		93 %	8:26am	74 %	12:34am
Dew Point		13.0 °C		14.4 °C	9:36am	12.2 °C	12:34am
Wind Velocity		26 ° at  5.0 G 10.4 kt		10.4 kt	12:44pm
Pressure		29.952 "  ↑		29.978 "	2:43am	29.911 "	5:35am
Rainfall Rate		0.0 mm/h		22.8 mm/h	7:44am
Snow On Ground		0 cm
Brightness / Darkness		116 W/m² /  0.00 m/"²		338 W/m²	12:18pm	18.18 m/"²	12:08am
Remarks

Rainfall	Today	12.0 mm	Storm Total	12.0 mm
Snowfall	Today	0.0 cm	Storm Total	0.0 cm

Evapotranspiration

Today

-0.41 mm

Lake Conditions

Water Temperature  12.3 °C

Waves  ½ '

ICE FREE

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Meteor Index	4   Random
Aurora Index / Solar	6   Quiet   + 1 nT	Solar Flux   128  sfu  /   S 0    G 0    R 2   /  MUF   23.1 MHz

Sunrise	5:39am	Sunset	9:02pm
Moonrise	N/A	Moonset	N/A	Moon Phase	First Quarter

Grimsby Mountain Weather Maps
Local	Regional	Area	Synoptic
updated H+09 and every 10m	updated H+19 and H+49	updated H+19

Ontario 6-Hour Meteorological Summary

Canadian 6-Hour Meteorological Summaries

CLIMAT Data
Official	Yesterday					2004	2005	2006	2007	2008	2009	Normals & Records
		2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
		2020	2021	2022	2023	2024	2025	2026

Grimsby Mountain Charts

	Sky Quality (Darkness) Meter courtesy of

              

Wx Map	Sat Pix	IR Sat Pix	Radar	Lightning
	Water	Ice

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  This is a privately operated weather station that is part of the Meteorological Service of Canada's official observing network.
Permission to publish the weather statistics found on this website is not required.
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